National Wool Growers Association (U.S.), National Lamb Feeders Association (U.S.), & American Sheep Industry Association. National wool grower. American Sheep Industry Association, etc.].
Chicago-referens (17:e uppl.)National Wool Growers Association (U.S.), National Lamb Feeders Association (U.S.), och American Sheep Industry Association. National Wool Grower. [Englewood, Colo., etc.: American Sheep Industry Association, etc.].
MLA-referens (8:e uppl.)National Wool Growers Association (U.S.), et al. National Wool Grower. American Sheep Industry Association, etc.].
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.